body {
	display: flex;
	flex-direction: column;

	// 主体
	.main {
		height: 100px;
		flex-grow: 1;
		overflow-y: auto;
	}

	// 底部导航
	.tabbar {
		height: 60px;
		background: #fff;
		box-shadow: 0px -3px 5px 0px #ddd;
		display: flex;
		justify-content: space-around;
		align-items: center;

		i {
			display: block;
			text-align: center;
			font-size: 30px;
		}

		a {
			color: #777;

			&.active {
				color: #4294ff;
			}
		}
	}
}
